Color

#656acd

#656acd
hex#656acd
rgbrgb(101, 106, 205)
hslhsl(237, 51%, 60%)
oklchoklch(0.569 0.15 278.3)
Closest name: slateblue (#6a5acd)Relative luminance 0.1748

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cdc865

#659ecd · #9465cd

#cd656a · #6acd65

Split-complementary

Open in tool →

#cd9465 · #9ecd65

#cd659e · #cdc865 · #65cd94

Contrast

#656acd as textRatioAAAA largeAAAFix
Aaon white
4.67:1passpassfail
  • AAA: use #4249c2 as the text (7.09:1)
Aaon black
4.5:1failpassfail
  • AA: use #696ece as the text (4.72:1)
  • AAA: use #8b8fda as the text (7.04:1)
  • AA: or shift the background to #fcfcfc (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #656acd as the background.

Brands using this color

Fonts for this mood

#656acd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #656acd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #656acd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/656acd-9f9cc4-df924e-251f2d-e9edf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md